Aluminum Weld Bung -16AN Male

The Aluminum Weld Bung -16AN Male from VIBRANT PERFORMANCE is a precision-engineered bung designed for custom fuel system, coolant line, and hydraulic applications in modified vehicles. As a seasoned mechanic, you'll recognize this fitting as essential when welding or fabricating custom manifolds, tanks, and lines where a permanent, sealed male connection is required. Whether you're building a turbo fuel system, custom radiator setup, or high-performance cooling circuit, this bung provides the structural integrity and leak-free performance that separates professional builds from amateur work.

Constructed from lightweight aluminum, this weld bung accepts -16AN (5/8-inch) male fittings and is designed for direct welding onto tanks, manifolds, and custom fabricated components. The -16AN port standard ensures compatibility with industry-standard AN hose, adapters, and fittings commonly used in performance fuel delivery and cooling systems. Aluminum construction minimizes weight while maintaining corrosion resistance—critical in underhood environments where moisture and vibration are constant challenges. The compact footprint (3.5 x 1.65 x 5.5 inches) allows integration into tight engine bay layouts without compromising accessibility.

This bung is ideal for fabricators and shop builders handling fuel system upgrades, turbocharger installations, and custom cooling systems on street, drag, and road race vehicles. Installation requires TIG or MIG welding directly onto your component—ensure proper surface preparation and technique to avoid leaks at the weld joint. The -16AN male thread accepts standard automotive AN fittings, hoses with -16AN female ends, and VIBRANT PERFORMANCE adapters, making system integration straightforward and reliable for both single-line and multi-outlet configurations.